A gerbil's bounce is a defense mechanism. They can use it to Dodge something trying to grasp them or to escape.
It may be because he is scared, but once he is use to you, he probably wont shake as much.
Gerbils are an animal and can not be "invented".
Other gerbils.
Male gerbils can be neutered, but it is not recomended. Female gerbils should not be spayed. In general male gerbils should not be neutered unless there is a good reason for it.
Yes, mice are smaller than gerbils, but I think gerbils are the right size.
no gerbils are not originally from the UK but instead from the deserts of Asia. But you can still buy gerbils in the UK
Yes, e.g Mongolian Gerbils.
Gerbils and nothing else.
They do have seizures (this is common in young gerbils)
No, they are not related. Gerbils are rodents, Rabbits are not.
No, Gerbils are vegetarian.
No. Gerbils produce gerbils and guinea pigs produce guinea pigs
Yes. I have a friend and she has gerbils that are over one year old. They have had babies. In a gerbils lifespan gerbils have around 15 litters of babies.